The high-temperature expansion of the classical Ising model with S_{z}^{2} term

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorThomaz, M. T.-
Autor(es): dc.creatorRojas, O.-
Data de aceite: dc.date.accessioned2026-02-09T11:39:36Z-
Data de disponibilização: dc.date.available2026-02-09T11:39:36Z-
Data de envio: dc.date.issued2020-11-12-
Data de envio: dc.date.issued2020-11-12-
Data de envio: dc.date.issued2012-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br/handle/1/45509-
Fonte completa do material: dc.identifierhttp://www.icmp.lviv.ua/journal/zbirnyk.69/13706/abstract.html-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1144583-
Descrição: dc.descriptionWe derive the high-temperature expansion of the Helmholtz free energy up to order β17 of the one-dimensional spin-S Ising model, with single-ion anisotropy term, in the presence of a longitudinal magnetic field. We show that the values of some thermodynamical functions for the ferromagnetic models, in the presence of a weak magnetic field, are not small corrections to their values with h=0. This model with S=3 was applied by Kishine et al. [J.-i. Kishine et al., Phys. Rev. B, 74 (2006) 224419] to analyze experimental data of the single-chain magnet [Mn (saltmen)]2 [Ni(pac)2 (py)2] (PF6)2 for T<40 K. We show that for T<35 K the thermodynamic functions of the large-spin limit model are poor approximations to their analogous spin-3 functions.-
Idioma: dc.languageen-
Publicador: dc.publisherNational Academy of Sciences of Ukraine (NAS), Institute of Condensed Matter Physics (IFSC)-
Direitos: dc.rightsrestrictAccess-
???dc.source???: dc.sourceCondensed Matter Physics (CMP)-
Palavras-chave: dc.subjectQuantum statistical mechanics-
Palavras-chave: dc.subjectOne-dimensional Ising model-
Palavras-chave: dc.subjectSpin-S models-
Palavras-chave: dc.subjectLarge-spin limit Ising model-
Palavras-chave: dc.subjectSingle-chain magnets-
Título: dc.titleThe high-temperature expansion of the classical Ising model with S_{z}^{2} term-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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